• 专利标题:   Processing rapid preparation of lithium-friendly three-dimensional carbon conductive framework useful in energy storage battery and battery pack comprises uniformly stirring and mixing graphene and gold source in solvent, drying, pressing solid powder into pole piece, and microwave reaction.
  • 专利号:   CN115249815-A
  • 发明人:   JIA Z, CHENG Q, YANG C, DUAN Z, PING X, BAI P, LEI H, WANG J, ZHANG J, XU R, ZHANG B, LIU M, SUN Z
  • 专利权人:   CHINA HUANENG CLEAN ENERGY RES INST
  • 国际专利分类:   H01M010/052, H01M004/134, H01M004/1395, H01M004/66
  • 专利详细信息:   CN115249815-A 28 Oct 2022 H01M-004/66 202297 Chinese
  • 申请详细信息:   CN115249815-A CN11014762 23 Aug 2022
  • 优先权号:   CN11014762

▎ 摘  要

NOVELTY - Processing rapid preparation of lithium-friendly three-dimensional carbon conductive framework, comprises (a) stirring and mixing uniformly graphene and gold source in a solvent, and a solid powder is obtained after drying, (b) compressing the solid powder obtained in the step (i) into pole pieces, and (c) placing the pole piece in an inert gas or nitrogen atmosphere, and performing a microwave reaction at a power of 50-1000W, and reacting for 10-600 seconds to prepare the lithium-friendly three-dimensional carbon conductive framework, where the gold source comprises chloroauric acid, and/or gold chloride. USE - The method is useful for preparing lithium-philic three-dimensional carbon conductive framework, which is useful in energy storage battery and battery pack. ADVANTAGE - The method enables to prepare lithium-philic three-dimensional carbon conductive framework, which has excellent electrochemical performance, is expected to realize ultra-high energy density of lithium metal battery, lifting fixed energy storage unit area energy density, and enhanced mobile energy storage energy storage efficiency, and has high specific surface area of graphene material is nano-gold particles providing a wide adsorption site, in the electrochemical process can obviously reduce the local current density, promoting uniform deposition of lithium, inhibit the growth of lithium dendritic crystal, and microwave reduction reaction time is short, energy consumption is low. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for: lithium-friendly three-dimensional carbon conductive framework; lithium metal cathode; and lithium metal battery.